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Hadoop >> mail # user >> Data Node is not Started


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Re: Data Node is not Started
Below are DataNode logs

hduser@sujit:~/Desktop/hadoop/logs$ cat hadoop-hduser-datanode-sujit.log
2012-04-06 22:11:34,566 INFO
org.apache.hadoop.hdfs.server.datanode.DataNode: STARTUP_MSG:
/************************************************************
STARTUP_MSG: Starting DataNode
STARTUP_MSG:   host = sujit.(null)/127.0.1.1
STARTUP_MSG:   args = []
STARTUP_MSG:   version = 1.0.1
STARTUP_MSG:   build https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1.0 -r
1243785; compiled by 'hortonfo' on Tue Feb 14 08:15:38 UTC 2012
************************************************************/
2012-04-06 22:11:34,749 INFO org.apache.hadoop.metrics2.impl.MetricsConfig:
loaded properties from hadoop-metrics2.properties
2012-04-06 22:11:34,768 INFO
org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source
MetricsSystem,sub=Stats registered.
2012-04-06 22:11:34,769 INFO
org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Scheduled snapshot
period at 10 second(s).
2012-04-06 22:11:34,769 INFO
org.apache.hadoop.metrics2.impl.MetricsSystemImpl: DataNode metrics system
started
2012-04-06 22:11:34,950 INFO
org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source ugi
registered.
2012-04-06 22:11:34,956 WARN
org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Source name ugi already
exists!
2012-04-06 22:11:36,149 INFO org.apache.hadoop.ipc.Client: Retrying connect
to server: localhost/127.0.0.1:54310. Already tried 0 time(s).
2012-04-06 22:11:41,923 ERROR
org.apache.hadoop.hdfs.server.datanode.DataNode: java.io.IOException:
Incompatible namespaceIDs in /app/hadoop/tmp/dfs/data: namenode namespaceID
= 387652554; datanode namespaceID = 1269725409
    at
org.apache.hadoop.hdfs.server.datanode.DataStorage.doTransition(DataStorage.java:232)
    at
org.apache.hadoop.hdfs.server.datanode.DataStorage.recoverTransitionRead(DataStorage.java:147)
    at
org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:385)
    at
org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:299)
    at
org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:1582)
    at
org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:1521)
    at
org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java:1539)
    at
org.apache.hadoop.hdfs.server.datanode.DataNode.secureMain(DataNode.java:1665)
    at
org.apache.hadoop.hdfs.server.datanode.DataNode.main(DataNode.java:1682)

2012-04-06 22:11:41,924 INFO
org.apache.hadoop.hdfs.server.datanode.DataNode: SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down DataNode at sujit.(null)/127.0.1.1
************************************************************/
2012-04-06 22:30:04,713 INFO
org.apache.hadoop.hdfs.server.datanode.DataNode: STARTUP_MSG:
/************************************************************
STARTUP_MSG: Starting DataNode
STARTUP_MSG:   host = sujit.(null)/127.0.1.1
STARTUP_MSG:   args = []
STARTUP_MSG:   version = 1.0.1
STARTUP_MSG:   build https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1.0 -r
1243785; compiled by 'hortonfo' on Tue Feb 14 08:15:38 UTC 2012
************************************************************/
2012-04-06 22:30:04,870 INFO org.apache.hadoop.metrics2.impl.MetricsConfig:
loaded properties from hadoop-metrics2.properties
2012-04-06 22:30:04,883 INFO
org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source
MetricsSystem,sub=Stats registered.
2012-04-06 22:30:04,884 INFO
org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Scheduled snapshot
period at 10 second(s).
2012-04-06 22:30:04,884 INFO
org.apache.hadoop.metrics2.impl.MetricsSystemImpl: DataNode metrics system
started
2012-04-06 22:30:05,046 INFO
org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source ugi
registered.
2012-04-06 22:30:05,051 WARN
org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Source name ugi already
exists!
2012-04-06 22:30:06,273 INFO org.apache.hadoop.ipc.Client: Retrying connect
to server: localhost/127.0.0.1:54310. Already tried 0 time(s).
2012-04-06 22:30:11,073 ERROR
org.apache.hadoop.hdfs.server.datanode.DataNode: java.io.IOException:
Incompatible namespaceIDs in /app/hadoop/tmp/dfs/data: namenode namespaceID
= 361514980; datanode namespaceID = 1269725409
    at
org.apache.hadoop.hdfs.server.datanode.DataStorage.doTransition(DataStorage.java:232)
    at
org.apache.hadoop.hdfs.server.datanode.DataStorage.recoverTransitionRead(DataStorage.java:147)
    at
org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:385)
    at
org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:299)
    at
org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:1582)
    at
org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:1521)
    at
org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java:1539)
    at
org.apache.hadoop.hdfs.server.datanode.DataNode.secureMain(DataNode.java:1665)
    at
org.apache.hadoop.hdfs.server.datanode.DataNode.main(DataNode.java:1682)

2012-04-06 22:30:11,075 INFO
org.apache.hadoop.hdfs.server.datanode.DataNode: SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down DataNode at sujit.(null)/127.0.1.1
************************************************************/
2012-04-06 22:36:46,946 INFO
org.apache.hadoop.hdfs.server.datanode.DataNode: STARTUP_MSG:
/************************************************************
STARTUP_MSG: Starting DataNode
STARTUP_MSG:   host = sujit.(null)/127.0.1.1
STARTUP_MSG:   args = []
STARTUP_MSG:   version = 1.0.1
STARTUP_MSG:   build https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1.0 -r
1243785; compiled by 'hortonfo' on Tue Feb 14 08:15:38 UTC 2012
************************************************************/
2012-04-06 22:36:47,113 INFO org.apache.hadoop.m
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB